The TAPS RH(072) 1 1/8-20 H4 B from Field Tool Supply is a precision-engineered right-hand tap, perfect for creating threads in various materials. With a size of 1 1/8" and a thread pitch of 20, this tap is designed for high efficiency and accuracy. Made from durable steel, it withstands wear and tear, ensuring longevity. The H4 tolerance rating guarantees a precise fit, making it suitable for both professional and DIY projects. This tap is compatible with standard threading machines, making it a versatile tool for any metalworking task.